[WIP][WMS][12.0] Available to Promise Release

sale_stock_available_to_promise_release/__init__.py

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+from . import models

sale_stock_available_to_promise_release/__manifest__.py

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+# Copyright 2019 Camptocamp (https://www.camptocamp.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+{
+    'name': 'Stock Available to Promise Release - Sale Integration',
+    'version': '12.0.1.0.0',
+    'summary': 'Integration between Sales and Available to Promise Release',
+    'author': "Camptocamp,Odoo Community Association (OCA)",
+    'category': 'Stock Management',
+    'depends': [
+        'sale_stock',
+        'stock_available_to_promise_release',
+    ],
+    'data': [
+    ],
+    'installable': True,
+    'license': 'AGPL-3',
+    'application': False,
+    'development_status': 'Alpha',
+}

sale_stock_available_to_promise_release/models/__init__.py

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+from . import sale_order_line

sale_stock_available_to_promise_release/models/sale_order_line.py

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+# Copyright 2019 Camptocamp (https://www.camptocamp.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, models
+
+
+class SaleOrderLine(models.Model):
+    _inherit = "sale.order.line"
+
+    @api.multi
+    def _prepare_procurement_values(self, group_id=False):
+        values = super()._prepare_procurement_values(group_id)
+        values['date_priority'] = self.order_id.confirmation_date
+        return values

sale_stock_available_to_promise_release/readme/CONTRIBUTORS.rst

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+* Guewen Baconnier <guewen.baconnier@camptocamp.com>

sale_stock_available_to_promise_release/readme/DESCRIPTION.rst

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+Integrate the Release of Operation based on Available to Promise with Sales. The Priority Date of Stock
+Moves will be equal to the confirmation date of their sales order.

setup/sale_stock_available_to_promise_release/odoo/addons/sale_stock_available_to_promise_release

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+../../../../sale_stock_available_to_promise_release

setup/sale_stock_available_to_promise_release/setup.py

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+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)

setup/stock_available_to_promise_release/odoo/addons/stock_available_to_promise_release

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+../../../../stock_available_to_promise_release

setup/stock_available_to_promise_release/setup.py

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+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)

stock_available_to_promise_release/__init__.py

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+from . import models
+from . import wizards

stock_available_to_promise_release/__manifest__.py

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+# Copyright 2019 Camptocamp (https://www.camptocamp.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+{
+    'name': 'Stock Available to Promise Release',
+    'version': '12.0.1.0.0',
+    'summary': 'Release Operations based on available to promise',
+    'author': "Camptocamp,Odoo Community Association (OCA)",
+    'category': 'Stock Management',
+    'depends': [
+        'stock',
+    ],
+    'data': [
+        'views/stock_move_views.xml',
+        'views/stock_picking_views.xml',
+        'views/stock_location_route_views.xml',
+        'wizards/stock_move_release_views.xml',
+    ],
+    'installable': True,
+    'license': 'AGPL-3',
+    'application': False,
+    'development_status': 'Alpha',
+}

stock_available_to_promise_release/models/__init__.py

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+from . import stock_move
+from . import stock_location_route
+from . import stock_picking
+from . import stock_rule

stock_available_to_promise_release/models/stock_location_route.py

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+# Copyright 2019 Camptocamp (https://www.camptocamp.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class Route(models.Model):
+    _inherit = 'stock.location.route'
+
+    available_to_promise_defer_pull = fields.Boolean(
+        string="Release based on Available to Promise",
+        default=False,
+        help="Do not create chained moved automatically for delivery. "
+        "Transfers must be released manually when they have enough available"
+        " to promise.",
+    )

stock_available_to_promise_release/models/stock_move.py

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+# Copyright 2019 Camptocamp (https://www.camptocamp.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+from odoo.addons import decimal_precision as dp
+from odoo.osv import expression
+from odoo.tools import float_compare
+
+
+class StockMove(models.Model):
+    _inherit = "stock.move"
+
+    date_priority = fields.Datetime(
+        string="Priority Date",
+        index=True,
+        default=fields.Datetime.now,
+        help="Date/time used to sort moves to deliver first. "
+        "Used to calculate the ordered available to promise.",
+    )
+    ordered_available_to_promise = fields.Float(
+        "Ordered Available to Promise",
+        compute="_compute_ordered_available_to_promise",
+        digits=dp.get_precision("Product Unit of Measure"),
+        help="Available to Promise quantity minus quantities promised "
+        " to older promised operations.",
+    )
+    need_release = fields.Boolean()
+
+    @api.depends()
+    def _compute_ordered_available_to_promise(self):
+        for move in self:
+            move.ordered_available_to_promise = (
+                move._ordered_available_to_promise()
+            )
+
+    def _should_compute_ordered_available_to_promise(self):
+        return (
+            self.picking_code == "outgoing"
+            and not self.product_id.type == "consu"
+            and not self.location_id.should_bypass_reservation()
+        )
+
+    def _ordered_available_to_promise(self):
+        if not self._should_compute_ordered_available_to_promise():
+            return 0.
+        available = self.product_id.with_context(
+            location=self.warehouse_id.lot_stock_id.id
+        ).virtual_available
+        return max(
+            min(available - self._previous_promised_qty(), self.product_qty),
+            0.,
+        )
+
+    def _previous_promised_quantity_domain(self):
+        domain = [
+            ("need_release", "=", True),
+            ("product_id", "=", self.product_id.id),
+            ("date_priority", "<=", self.date_priority),
+            ("warehouse_id", "=", self.warehouse_id.id),
+        ]
+        return domain
+
+    def _previous_promised_qty(self):
+        previous_moves = self.search(
+            expression.AND(
+                [
+                    self._previous_promised_quantity_domain(),
+                    [("id", "!=", self.id)],
+                ]
+            )
+        )
+        promised_qty = sum(
+            previous_moves.mapped(
+                lambda move: max(
+                    move.product_qty - move.reserved_availability, 0.
+                )
+            )
+        )
+        return promised_qty
+
+    @api.multi
+    def release_available_to_promise(self):
+        self._run_stock_rule()
+
+    def _prepare_move_split_vals(self, qty):
+        vals = super()._prepare_move_split_vals(qty)
+        # The method set procure_method as 'make_to_stock' by default on split,
+        # but we want to keep 'make_to_order' for chained moves when we split
+        # a partially available move in _run_stock_rule().
+        if self.env.context.get("release_available_to_promise"):
+            vals.update(
+                {"procure_method": self.procure_method, "need_release": True}
+            )
+        return vals
+
+    @api.multi
+    def _run_stock_rule(self):
+        """Launch procurement group run method with remaining quantity
+
+        As we only generate chained moves for the quantity available minus the
+        quantity promised to older moves, to delay the reservation at the
+        latest, we have to periodically retry to assign the remaining
+        quantities.
+        """
+        precision = self.env["decimal.precision"].precision_get(
+            "Product Unit of Measure"
+        )
+        for move in self:
+            if not move.need_release:
+                continue
+            if move.state not in ("confirmed", "waiting"):
+                continue
+            # do not use the computed field, because it will keep
+            # a value in cache that we cannot invalidate declaratively
+            available_quantity = move._ordered_available_to_promise()
+            if (
+                float_compare(
+                    available_quantity, 0, precision_digits=precision
+                )
+                <= 0
+            ):
+                continue
+
+            quantity = min(move.product_qty, available_quantity)
+            remaining = move.product_qty - quantity
+
+            if float_compare(remaining, 0, precision_digits=precision) > 0:
+                if move.picking_id.move_type == "one":
+                    # we don't want to delivery unless we can deliver all at
+                    # once
+                    continue
+                move.with_context(release_available_to_promise=True)._split(
+                    remaining
+                )
+
+            values = move._prepare_procurement_values()
+
+            self.env["procurement.group"].run_defer(
+                move.product_id,
+                move.product_id.uom_id._compute_quantity(
+                    quantity, move.product_uom, rounding_method="HALF-UP"
+                ),
+                move.product_uom,
+                move.location_id,
+                move.origin,
+                values,
+            )
+
+            pull_move = move
+            while pull_move:
+                pull_move._action_assign()
+                pull_move = pull_move.move_orig_ids
+
+        return True

stock_available_to_promise_release/models/stock_picking.py

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+# Copyright 2019 Camptocamp (https://www.camptocamp.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class StockPicking(models.Model):
+    _inherit = "stock.picking"
+
+    # Add store on the field, as it is quite used in the searches,
+    # and this is an easy-win to reduce the number of SQL queries.
+    picking_type_code = fields.Selection(store=True)
+    need_release = fields.Boolean(compute="_compute_need_release")
+
+    @api.depends("move_lines.need_release")
+    def _compute_need_release(self):
+        for picking in self:
+            picking.need_release = any(
+                move.need_release for move in picking.move_lines
+            )
+
+    @api.multi
+    def release_available_to_promise(self):
+        self.mapped("move_lines").release_available_to_promise()

stock_available_to_promise_release/models/stock_rule.py

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+# Copyright 2019 Camptocamp (https://www.camptocamp.com)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+import logging
+
+from odoo import api, fields, models
+
+_logger = logging.getLogger(__name__)
+
+
+class StockRule(models.Model):
+    _inherit = "stock.rule"
+
+    def _run_pull(
+        self,
+        product_id,
+        product_qty,
+        product_uom,
+        location_id,
+        name,
+        origin,
+        values,
+    ):
+        if (
+            not self.env.context.get("_rule_no_available_defer")
+            and self.route_id.available_to_promise_defer_pull
+            # We still want to create the first part of the chain
+            and not self.picking_type_id.code == "outgoing"
+        ):
+            moves = values.get("move_dest_ids")
+            # Track the moves that needs to have their pull rule
+            # done. Before the 'pull' is done, we don't know the
+            # which route is chosen. We update the destination
+            # move (ie. the outgoing) when the current route
+            # defers the pull rules and return so we don't create
+            # the next move of the chain (pick or pack).
+            if moves:
+                moves.write({"need_release": True})
+            return True
+
+        super()._run_pull(
+            product_id,
+            product_qty,
+            product_uom,
+            location_id,
+            name,
+            origin,
+            values,
+        )
+        moves = values.get("move_dest_ids")
+        if moves:
+            moves.filtered(lambda r: r.need_release).write(
+                {"need_release": False}
+            )
+        return True
+
+
+class ProcurementGroup(models.Model):
+    _inherit = "procurement.group"
+
+    @api.model
+    def run_defer(
+        self, product_id, product_qty, product_uom, location_id, origin, values
+    ):
+        values.setdefault(
+            "company_id",
+            self.env["res.company"]._company_default_get("procurement.group"),
+        )
+        values.setdefault("priority", "1")
+        values.setdefault("date_planned", fields.Datetime.now())
+        rule = self._get_rule(product_id, location_id, values)
+        if not rule or rule.action not in ("pull", "pull_push"):
+            return
+
+        rule.with_context(_rule_no_available_defer=True)._run_pull(
+            product_id,
+            product_qty,
+            product_uom,
+            location_id,
+            rule.name,
+            origin,
+            values,
+        )
+        return True

stock_available_to_promise_release/readme/CONFIGURE.rst

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+In Inventory > Configuration > Warehouses, activate the option "Release based on Available to Promise"
+when you want to use the feature.

stock_available_to_promise_release/readme/CONTRIBUTORS.rst

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+* Guewen Baconnier <guewen.baconnier@camptocamp.com>